Reid’s low approval rating comes days before he will try to amend the continuing resolution the House passed last week that would fund the government except for the Affordable Care Act.

Reid has vowed to use a 51-vote threshold to add an amendment that would fund Obamacare and send the bill back to the House. Sen. Ted Cruz (R-TX) and other conservatives like Mike Lee (R-UT) have said Republicans need to unite to oppose a cloture vote on moving the bill forward so Reid is unable to insert funding for Obamacare.

On Fox News Sunday, Cruz said that a vote for cloture vote would be a vote for Obamacare

Gallup conducted the survey on September 5-8 and the poll as a margin of error of +/- four percentage points.